Compare reaction turbines
All reaction turbines
|
PW4056
✕
|
PW4158
✕
|
| EASA ID |
1PW041 |
1PW048 |
| Aircraft Engine Manufacturer |
Pratt & Whitney |
Pratt & Whitney |
| Aircraft Engine Type |
Turbofan |
Turbofan |
| Fuel |
Jet A |
Jet A |
| Geared Fan |
No |
No |
| Combustion Chamber |
|
Reduced smoke |
| Afterburner |
No |
No |
| Streams |
2 |
2 |
| Bypass Ratio |
4.7 |
4.6 |
| Overall Pressure Ratio |
29.3 |
30.7 |
| Maximum Takeoff Thrust (kN) |
252.4 |
258 |
| Hydrocarbon Take Off (g/kg fuel) |
0.11 |
0.09 |
| Hydrocarbon Climb Out (g/kg fuel) |
0.17 |
0.02 |
| Hydrocarbon Approach (g/kg fuel) |
0.25 |
0.14 |
| Hydrocarbon Idle (g/kg fuel) |
0.66 |
1.78 |
| Hydrocarbon Unitary Average (g/kN) |
1.2 |
2.4 |
| Hydrocarbon Unitary Characteristic (g/kN) |
1.8 |
3.7 |
| Hydrocarbon Unitary Characteristicto Regulatory (% of limit) |
9.4 |
18.9 |
| Hydrocarbon LTO (g) |
288 |
623 |
| Carbon Monoxide Take Off (g/kg fuel) |
0.08 |
0.4 |
| Carbon Monoxide Climb Out (g/kg fuel) |
0.14 |
0.54 |
| Carbon Monoxide Approach (g/kg fuel) |
0.9 |
1.88 |
| Carbon Monoxide Idle (g/kg fuel) |
11.6 |
20.99 |
| Carbon Monoxide Unitary Average (g/kN) |
14.2 |
28.7 |
| Carbon Monoxide Unitary Characteristic (g/kN) |
17.4 |
35.2 |
| Carbon Monoxide Unitary Characteristicto Regulatory (% of limit) |
14.8 |
29.9 |
| NOx Take Off (g/kg fuel) |
32.5 |
30.2 |
| NOx Climb Out (g/kg fuel) |
24.6 |
23.7 |
| NOx Approach (g/kg fuel) |
11.6 |
11.8 |
| NOx Idle (g/kg fuel) |
5 |
4.8 |
| NOx Unitary Average (g/kN) |
51.7 |
50.2 |
| NOx Unitary Characteristic (g/kN) |
59.9 |
58.2 |
| NOx Unitaryto Standard (% of limit) |
60.8 |
57.4 |
| NOx Unitaryto CAEP2 (% of limit) |
76 |
71.7 |
| NOx Unitaryto CAEP4 (% of limit) |
91 |
85.1 |
| NOx Unitaryto CAEP6 (% of limit) |
103.4 |
96.4 |
| NOx Unitaryto CAEP8 (% of limit) |
121.9 |
113 |
| NOx LTO (g) |
13043 |
12928 |
| Smoke Take Off (SN) |
14.3 |
8.1 |
| Smoke Max (SN) |
14.3 |
8.1 |
| Smoke Characteristic (SN) |
18.4 |
10.4 |
| Smoke Characteristicto Regulatory (% of limit) |
100.2 |
57.1 |
| Fuel Flow Take Off (kg/s) |
2.449 |
2.481 |
| Fuel Flow Climbout (kg/s) |
1.981 |
2.004 |
| Fuel Flow Approach (kg/s) |
0.647 |
0.682 |
| Fuel Flow Idle (kg/s) |
0.188 |
0.211 |
| Fuel LTO (kg) |
813 |
862 |
| Fuel Venting Compliant |
No |
No |
| Carbon Monoxide LTO (g) |
3587 |
7401 |
| Emissions Data Status |
C |
C |
| Engine Status |
Out of production |
Out of production |